<!DOCTYPE html>
<html>
<head>
	<title>Leaflet debug page</title>

	<link rel="stylesheet" href="https://unpkg.com/leaflet@1.0.3/dist/leaflet.css" integrity="sha512-07I2e+7D8p6he1SIM+1twR5TIrhUQn9+I6yjqD53JQjFiMf8EtC93ty0/5vJTZGF8aAocvHYNEDJajGdNx1IsQ==" crossorigin="" />
	<script src="https://unpkg.com/leaflet@1.0.3/dist/leaflet-src.js" integrity="sha512-WXoSHqw/t26DszhdMhOXOkI7qCiv5QWXhH9R7CgvgZMHz1ImlkVQ3uNsiQKu5wwbbxtPzFXd1hK4tzno2VqhpA==" crossorigin=""></script>
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<link rel="stylesheet" href="screen.css" />

	<link rel="stylesheet" href="../dist/MarkerCluster.css" />
	<link rel="stylesheet" href="../dist/MarkerCluster.Default.css" />
	<script src="../dist/leaflet.markercluster-src.js"></script>
</head>
<body>

	<div id="map"></div>
	<button id="moveone">Move a random marker</button>

	<script type="text/javascript">

		var tiles = L.tileLayer('https://tile.openstreetmap.org/{z}/{x}/{y}.png', {
				maxZoom: 18,
				attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
			}),
			latlng = new L.LatLng(50.5, 30.51);

		var map = new L.Map('map', {center: latlng, zoom: 15, layers: [tiles]});

		var markers = new L.MarkerClusterGroup();
		var markersList = [];

		function populate() {
			for (var i = 0; i < 100; i++) {
				var m = new L.Marker(getRandomLatLng(map), { draggable: true });
				markersList.push(m);
				markers.addLayer(m);
			}
			return false;
		}
		function populateRandomVector() {
			for (var i = 0, latlngs = [], len = 20; i < len; i++) {
				latlngs.push(getRandomLatLng(map));
			}
			var path = new L.Polyline(latlngs);
			map.addLayer(path);
		}
		function getRandomLatLng(map) {
			var bounds = map.getBounds(),
				southWest = bounds.getSouthWest(),
				northEast = bounds.getNorthEast(),
				lngSpan = northEast.lng - southWest.lng,
				latSpan = northEast.lat - southWest.lat;

			return new L.LatLng(
					southWest.lat + latSpan * Math.random(),
					southWest.lng + lngSpan * Math.random());
		}

		markers.on('clusterclick', function (a) {
			alert('cluster ' + a.layer.getAllChildMarkers().length);
		});
		markers.on('click', function (a) {
			alert('marker ' + a.layer);
		});

		populate();
		map.addLayer(markers);

		L.DomUtil.get('moveone').onclick = function () {
			var m = markersList[Math.floor(Math.random() * markersList.length)];
			var bounds = map.getBounds(),
			southWest = bounds.getSouthWest(),
			northEast = bounds.getNorthEast(),
			lngSpan = northEast.lng - southWest.lng,
			latSpan = northEast.lat - southWest.lat;
			m.setLatLng(new L.LatLng(
					southWest.lat + latSpan * 0.5,
					southWest.lng + lngSpan * 0.5));
		};
	</script>
</body>
</html>
